Re: availability of SATA vendors - Mailing list pgsql-performance

From Joshua D. Drake
Subject Re: availability of SATA vendors
Date
Msg-id 1164161601.24113.189.camel@localhost.localdomain
Whole thread Raw
In response to Re: availability of SATA vendors  (Jeff Frost <jeff@frostconsultingllc.com>)
Responses Re: availability of SATA vendors
List pgsql-performance
> ASAcomputers has been the most helpful of all the vendors so far, so thanks
> for point me at them.  I know you've been posting results with the Areca and
> 3ware controllers, do you have a preference for one over the other?  It seems
> that you can only get 256MB cache with the 3ware 9550SX and you can get 512MB
> with the 9650SE, but only the Areca cards go up to 1GB.

Don't count out LSI either. They make a great SATA controller based off
their very well respected SCSI controller.

Sincerely,

Joshua D. Drake

>
> I'm curious how big a performance gain we would see going from 256MB cache to
> 512MB to 1GB.  This is for a web site backend DB which is mostly read
> intensive, but occassionally has large burts of write activity due to new user
> signups generated by the marketing engine.
>
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